teetee01 teetee01

19-03-2016
Physics

Answered

Sodium-24 has a half-life of 15 hours. After 45 hours, how much sodium-24 will remain of an original 50.0-g sample?

Verified Answer :

19-03-2016

45 hours/15 hours = 3 Half lifes
50/2 = 25
25/2 = 12.5
12.5/2 = 6.25

6.25g is the answer

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amovoce amovoce

20-07-2020

Answer:

6.25 g

Explanation:

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